<template>
  <div class="app-container">
    <!-- 查询和其他操作 -->
    <div class="filter-container">
      <el-input
        v-model="listQuery.name"
        clearable
        class="filter-item"
        style="width: 200px;"
        placeholder="请输入分类名称"
      />
      <el-input
        v-model="listQuery.code"
        clearable
        class="filter-item"
        style="width: 200px;"
        placeholder="请输入分类编号"
      />
      <el-button
        v-permission="['article:articleClass:page']"
        class="filter-item"
        type="primary"
        icon="el-icon-search"
        @click="handleFilter">查找
      </el-button>
      <el-button
        v-permission="['article:articleClass:create']"
        class="filter-item"
        type="primary"
        icon="el-icon-edit"
        @click="handleCreate">添加
      </el-button>

    </div>

    <!-- 查询结果 -->
    <el-table
      v-loading="listLoading"
      :data="list"
      size="small"
      element-loading-text="正在查询中。。。"
      border
      fit
      highlight-current-row
    >
      <el-table-column align="center" label="分类ID" prop="id"/>

      <el-table-column align="center" label="分类名称" prop="name"/>

      <el-table-column align="center" label="分类编号" prop="code"/>
      <el-table-column align="center" label="创建时间" prop="gmtCreate"/>
      <el-table-column align="center" label="操作" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            v-permission="['article:articleClass:edit']"
            type="primary"
            size="mini"
            @click="handleUpdate(scope.row)">编辑
          </el-button>
          <el-button
            v-permission="['article:articleClass:delete']"
            type="danger"
            size="mini"
            @click="handleDelete(scope.row)">删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="listQuery.page"
      :limit.sync="listQuery.limit"
      @pagination="getList"
    />

    <!-- 添加或修改对话框 -->
    <el-dialog :title="textMap[dialogStatus]" :visible.sync="dialogFormVisible" width="500px">
      <el-form
        ref="dataForm"
        :rules="rules"
        :model="dataForm"
        status-icon
        label-position="right"
        label-width="100px"
        style="margin-right:10px;margin-bottom: -20px;"
      >
        <el-form-item v-show="false" label="id" prop="id">
          <el-input v-model="dataForm.id"/>
        </el-form-item>
        <el-form-item label="分类名称:" prop="name">
          <el-input v-model="dataForm.name" placeholder="请输入分类名称"/>
        </el-form-item>
        <el-form-item label="分类编号:" prop="code">
          <el-input v-model="dataForm.code" placeholder="请输入分类编号"/>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取消</el-button>
        <el-button v-if="dialogStatus=='create'" type="primary" @click="createData">确定</el-button>
        <el-button v-else type="primary" @click="updateData">确定</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  pageArticleClass,
  updateArticleClass,
  createArticleClass,
  deleteArticleClass
} from '@/api/articleClass'
import { getToken } from '@/utils/auth'
import Pagination from '@/components/Pagination' // Secondary package based on el-pagination
export default {
  name: 'ArticleClass',
  components: { Pagination },
  data() {
    return {
      list: [],
      total: 0,
      listLoading: true,
      listQuery: {
        page: 1,
        limit: 20,
        name: undefined,
        code: undefined
      },
      dataForm: {},
      dialogFormVisible: false,
      dialogStatus: '',
      textMap: {
        update: '编辑',
        create: '创建'
      },
      rules: {
        name: [
          { required: true, message: '分类名称不能为空', trigger: 'blur' }
        ],
        code: [{ required: true, message: '分类编号不能为空', trigger: 'blur' }]
      }
    }
  },
  computed: {
    headers() {
      return {
        ADMINTOKEN: getToken()
      }
    }
  },
  created() {
    this.getList()
  },
  methods: {
    getList() {
      this.listLoading = true
      pageArticleClass(this.listQuery)
        .then(response => {
          console.log(response)
          this.list = response.data.data.items
          this.total = response.data.data.total
          this.listLoading = false
        })
        .catch(() => {
          this.list = []
          this.total = 0
          this.listLoading = false
        })
    },
    handleFilter() {
      this.listQuery.page = 1
      this.getList()
    },
    resetForm() {
      this.dataForm = {}
    },
    handleCreate() {
      this.resetForm()
      this.dialogStatus = 'create'
      this.dialogFormVisible = true
      this.$nextTick(() => {
        this.$refs['dataForm'].clearValidate()
      })
    },
    createData() {
      this.$refs['dataForm'].validate(valid => {
        if (valid) {
          createArticleClass(this.dataForm)
            .then(response => {
              this.list.unshift(response.data.data)
              this.dialogFormVisible = false
              this.$notify.success({
                title: '成功',
                message: '添加分类成功'
              })
            })
            .catch(response => {
              this.$notify.error({
                title: '失败',
                message: response.data.errmsg
              })
            })
        }
      })
    },
    handleUpdate(row) {
      this.dataForm = Object.assign({}, row)
      this.dialogStatus = 'update'
      this.dialogFormVisible = true
      this.$nextTick(() => {
        this.$refs['dataForm'].clearValidate()
      })
    },
    updateData() {
      this.$refs['dataForm'].validate(valid => {
        if (valid) {
          updateArticleClass(this.dataForm)
            .then(() => {
              for (const v of this.list) {
                if (v.id === this.dataForm.id) {
                  const index = this.list.indexOf(v)
                  this.list.splice(index, 1, this.dataForm)
                  break
                }
              }
              this.dialogFormVisible = false
              this.$notify.success({
                title: '成功',
                message: '更新信息成功'
              })
            })
            .catch(response => {
              this.$notify.error({
                title: '失败',
                message: response.data.errmsg
              })
            })
        }
      })
    },
    handleDelete(row) {
      this.$confirm('此操作将永久删除该分类【' + row.name + '】, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        deleteArticleClass(row.id)
          .then(response => {
            this.$notify.success({
              title: '成功',
              message: '删除成功'
            })
            const index = this.list.indexOf(row)
            this.list.splice(index, 1)
          })
          .catch(response => {
            this.$notify.error({
              title: '失败',
              message: response.data.errmsg
            })
          })
      }).catch(() => {
        return false
      })
    }
  }
}
</script>

<style>
.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.avatar-uploader .el-upload:hover {
  border-color: #20a0ff;
}

.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 120px;
  height: 120px;
  line-height: 120px;
  text-align: center;
}

.avatar {
  width: 145px;
  height: 145px;
  display: block;
}
</style>
